Pith Number

pith:HRR3F5CH

pith:2026:HRR3F5CHQHQQXDA6XMCGBZI64L

not attested not anchored not stored refs pending

The Road to Identifying the Earliest Radio-Powerful AGN with the SKA

Alessandro Caccianiga, Alexander Hedge, Andrew Hopkins, Bruno Arsioli, Ciro Pappalardo, Davi Barbosa, Isabella Prandoni, Israel Matute, Jess W. Broderick, Jo\~ao Tiago, Jose Afonso, Luca Ighina, Luis Barroso, Manuela Magliocchetti, Mojtaba Raouf, Nick Seymour, Nuno Covas, Pedro Martins, Rodrigo Carvajal, Ross J. Turner, Sabyasachi Pal, Stas Shabala, Stergios Amarantidis

arxiv:2607.02366 v1 · 2026-07-02 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HRR3F5CHQHQQXDA6XMCGBZI64L}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-03T01:17:56.895457Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c63b2f44781e10b8c1ebb0460e51ee2e04f4a5beb16bf78161ed536aa7b26b6

Aliases

arxiv: 2607.02366 · arxiv_version: 2607.02366v1 · doi: 10.48550/arxiv.2607.02366 · pith_short_12: HRR3F5CHQHQQ · pith_short_16: HRR3F5CHQHQQXDA6 · pith_short_8: HRR3F5CH

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/HRR3F5CHQHQQXDA6XMCGBZI64L \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 3c63b2f44781e10b8c1ebb0460e51ee2e04f4a5beb16bf78161ed536aa7b26b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a200a51e5a6a8b82be7754161425da12f4c546279953b6980e1f24fc3201b0e3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-07-02T16:08:22Z",
    "title_canon_sha256": "6ff6624127d8aaeb2acf36c76d0648af929327be32002ddfc1fbaa2345d78f25"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.02366",
    "kind": "arxiv",
    "version": 1
  }
}